Examlex
An internally valid experiment means that accurate conclusions can be drawn about the causal relationship between an independent variable and a dependent variable.
Sample Variance
A measure of the dispersion or variability of a data set, calculated from a sample of the population.
Syntax Error
A mistake in the structure of a programming or query language code that prevents the code from being compiled or executed.
Cluster Sampling
A sampling technique where the researcher divides the population into separate groups, or "clusters," and a sample of these clusters is then selected for study.
Stratified Random
This refers to a sampling method where the population is divided into subgroups (strata) that share similar characteristics, and a random sample is then drawn from each stratum.
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